ubuntu系统安装LAMP环境，编译MySQL时遇到的问题

my_print_defaults: [ERROR] Found option without preceding group in config file /opt/mysql/my.cnf at line 1!
my_print_defaults: [ERROR] Fatal error in defaults handling. Program aborted!
Starting MySQL
. * The server quit without updating PID file (/opt/mysql/data/ZenPHP.pid).

回复内容：

my_print_defaults: [ERROR] Found option without preceding group in config file /opt/mysql/my.cnf at line 1!
my_print_defaults: [ERROR] Fatal error in defaults handling. Program aborted!
Starting MySQL
. * The server quit without updating PID file (/opt/mysql/data/ZenPHP.pid).

从以下方法尝试下

1. 检查目录权限 /opt/mysql/data/,确保读写权限

2. 删除err文件

3. 设置 selinux 状态

4. 检查 mysql 文件夹的用户是否为 mysql